Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ee15a60222e9b02…

MALICIOUS

PDF

41.0 KB Created: 2020-08-30 06:58:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 559dac5bf419c45001736d1106cf3b5b SHA-1: c806ec00bbfb0cba9577483ebb3f1175df7c1818 SHA-256: 9ee15a60222e9b027b1b8c732dcb2f605bf5877e47c6a70f14c03f02a6a71abe
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to Shopify-hosted PDF files. One of the primary links, 'https://ttraff.ru/wix?keyword=tableau+equivalence+fusible+disjoncteur', is flagged as a malicious redirector. This suggests the document is part of a link farm or SEO manipulation scheme, potentially leading users to malicious content or phishing sites.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/wix?keyword=tableau+equivalence+fusible+disjoncteur
    • https://cdn.shopify.com/s/files/1/0432/7519/0422/files/68369271275.pdf
    • https://cdn.shopify.com/s/files/1/0433/7529/6670/files/sipevimavapubovowafirul.pdf
    • https://cdn.shopify.com/s/files/1/0435/6728/4383/files/classification_of_admixtures.pdf
    • https://cdn.shopify.com/s/files/1/0434/0314/9477/files/bar_graphs_and_pie_charts_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0428/8725/0087/files/lowes_north_attleboro.pdf
    • https://cdn.shopify.com/s/files/1/0435/5407/8871/files/fisavajujodolakof.pdf
    • https://cdn.shopify.com/s/files/1/0429/5586/6265/files/78281173864.pdf
    • https://cdn.shopify.com/s/files/1/0430/0275/7281/files/movatevetitoratili.pdf
    • https://cdn.shopify.com/s/files/1/0463/3542/6721/files/samba_mobile_hack.pdf
    • https://cdn.shopify.com/s/files/1/0436/0319/8116/files/welafarukivago.pdf
    • https://cdn.shopify.com/s/files/1/0428/9842/3967/files/hepatitis_b_vaccine_information_sheet_chinese.pdf
    • https://static.usrfiles.com/ugd/162fe6_5fa010587ab3437291d23650b0a3e19f.pdf
    • https://static.usrfiles.com/ugd/b8c837_8642fb330a784758b48b2f0409f352f2.pdf
    • https://static.usrfiles.com/ugd/b8c837_3d92bc9f4daa4d878bcc42df02d6ec80.pdf
    • https://static.usrfiles.com/ugd/e745be_2174bd57beba4471868e18621148be8f.pdf
    • https://static.usrfiles.com/ugd/b8c837_b58bd7371b9e4bb192edae163889cf27.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000624c.bin
c2be9c4558a2938486ef32bfcc0ac65dd66308ab5d1683907f0ea2224c171b4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x624C 5364 bytes
font_01_sfnt_off0000749b.bin
d2316d60ff8156df4b59d6d212ff49600b1ec557c4cfa5c9316df90294bb54da		 pdf-font-stream PDF embedded font (sfnt) at offset 0x749B 10068 bytes

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